emulator vs epigone

emulator and epigone both are nouns.

Word	Noun	Adjective	Verb	Adverb
emulator	Yes	No	No	No
epigone	Yes	No	No	No

As nouns, epigone is a hyponym of emulator; that is, epigone is a word with a more specific, narrower meaning than emulator:

emulator: someone who copies the words or behavior of another
epigone: an inferior imitator of some distinguished writer, artist, or musician

Other hyponyms of emulator include epigon, parrot.

emulator (noun)	epigone (noun)
someone who copies the words or behavior of another	an inferior imitator of some distinguished writer, artist, or musician